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How to power a Nixie tube?
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Topic: How to power a Nixie tube? (Read 3444 times)
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Azhar
Regular Contributor
Posts: 79
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How to power a Nixie tube?
«
on:
July 06, 2013, 10:28:13 am »
Do we need to build a circuit to light up a Nixie tube? or we can do it with just a power source?
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amyk
Super Contributor
Posts: 8365
Re: How to power a Nixie tube?
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Reply #1 on:
July 06, 2013, 10:57:05 am »
Depends how you want to light it up...
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Azhar
Regular Contributor
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Re: How to power a Nixie tube?
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Reply #2 on:
July 06, 2013, 11:15:09 am »
I have a ten digit Nixie tube, and wanted to light up the digits one by one! is that possible by applying voltage directly to it?
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Psi
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Re: How to power a Nixie tube?
«
Reply #3 on:
July 06, 2013, 11:24:34 am »
You could just have 10 switches but you need a high voltage source.
Just how high a voltage depends on the nixie tube you have.
«
Last Edit: July 06, 2013, 11:26:37 am by Psi
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Greek letter 'Psi' (not Pounds per Square Inch)
Azhar
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Re: How to power a Nixie tube?
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Reply #4 on:
July 06, 2013, 11:29:44 am »
Does that mean, they work normally like any LED display? I don't need another power source to heat a filament for example?
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Paul Price
Super Contributor
Posts: 1433
Re: How to power a Nixie tube?
«
Reply #5 on:
July 06, 2013, 11:43:09 am »
The Nixies require a low-current, Usually unregulated, approx 140V to 170V (depending on the Nixie type)power source connected to a common anode and a current limiting resistor is connected to each numerical or other symbol display cathode pin. The other side of the current limiting resistor connects to the collector of a HV small transistor that is turned on and off at logic level voltages with a resistor to its base, and the emitter of the Nixie driver transistor connects to ground.
Sometimes a small pot-core transformer is used with a oscillator circuit to generate a 140V source from a logic level power supply voltage.
for more info,
http://en.wikipedia.org/wiki/Nixie_tube
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Last Edit: July 06, 2013, 11:50:30 am by Paul Price
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Azhar
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Re: How to power a Nixie tube?
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Reply #6 on:
July 06, 2013, 01:31:02 pm »
Thanks a lot! thank you all
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